Page:United States Statutes at Large Volume 63 Part 2.djvu/334

 63 STAT.] MULTILATERAL-TELECOMMUNICATIONS-OCT. 2, 1947 (Chapter III, art. 5 RR) Allocation to Servies Frequeney Band and (Bandwidth) Regional ke/s World-Wide Region 1 Region 2 Region 3 405-416 a ero- a) Aero- a) Aero- (10) nautical nautical nautical radio- mobile mobile navigatiou b) Aero- b) Aero b) Maritime nautical nautical radio- radio- radio- navigation navigation navigation (radio c) Maritime c) Maritime direction- radio- radio- finding) navigation navigation c) Mobile ex- (radio (radio cept aero- direction- direction- nautical finding) finding) mobile -, a) 133 "' The frequency 410 kc/s is designated for the maritime radionavigation service (radio direction-finding). Other services shall not cause harmful inter- ference to radio direction-finding. 134 "' The use of the band 405-415 kc/s by the radionavigation services is limited to radio direction-finding except as indicated in a) and b) below: 135 a) In the Baltic and North Sea areas this band may also be used for the maritime radionavigation service for radiobeacon stations of mean power not exceeding 10 watts and subject to not causing harm- ful interference to radio direction-finding. 136 b) In the U.S.S.R. this band may also be used for the aeronautical radionavigation service on the basis of not causing harmful inter- ference to the service provided by the existing radio direction-finding stations and the radiobeacon stations referred to in subparagraph a) above. 137 " In Region 2, in addition to the provisions of Note "), the aeronautical radionavigation service has priority over the aeronautical mobile service. 1631 (1»--187)

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